SC1200UFH-266 AMD (ADVANCED MICRO DEVICES), SC1200UFH-266 Datasheet - Page 241
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SC1200UFH-266
Manufacturer Part Number
SC1200UFH-266
Description
Manufacturer
AMD (ADVANCED MICRO DEVICES)
Datasheet
1.SC1200UFH-266.pdf
(443 pages)
Specifications of SC1200UFH-266
Operating Temperature (min)
0C
Operating Temperature (max)
85C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Lead Free Status / Rohs Status
Not Compliant
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Core Logic Module - SMI Status and ACPI Registers - Function 1
AMD Geode™ SC1200/SC1201 Processor Data Book
Offset 06h-07h
The bits in this register contain second level of status reporting. Top level status is reported in F1BAR0+I/O Offset 00h/02h[9]. Reading
this register clears the status at both the second and top levels.
A read-only “Mirror” version of this register exists at F1BAR0+I/O Offset 04h. If the value of this register must be read without clearing
the SMI source (and consequently de-asserting SMI), F1BAR0+I/O Offset 04h can be read instead.
15:6
Bit
0
5
4
3
2
1
0
Description
SMI Source is Expired General Purpose Timer 1. Indicates whether or not an SMI was caused by the expiration of Gen-
eral Purpose Timer 1 (F0 Index 88h).
0: No.
1: Yes.
To enable SMI generation, set F0 Index 83h[0] = 1.
Reserved.
PCI/ISA Function Trap. Indicates whether or not an SMI was caused by a trapped PCI/ISA configuration cycle
0: No.
1: Yes.
To enable SMI generation for:
SMI Source is Trapped Access to User Defined Device 3 (UDEF3). Indicates whether or not an SMI was caused by a
trapped I/O or memory access to User Defined Device 3 (F0 Index C8h).
0: No.
1: Yes.
To enable SMI generation, set F0 Index 82h[6] = 1.
SMI Source is Trapped Access to User Defined Device 2 (UDEF2). Indicates whether or not an SMI was caused by a
trapped I/O or memory access to User Defined Device 2 (F0 Index C4h).
0: No.
1: Yes.
To enable SMI generation, set F0 Index 82h[5] = 1.
SMI Source is Trapped Access to User Defined Device 1 (UDEF1). Indicates whether or not an SMI was caused by a
trapped I/O or memory access to User Defined Device 1 (F0 Index C0h).
0: No.
1: Yes.
To enable SMI generation, set F0 Index 82h[4] = 1.
SMI Source is Expired General Purpose Timer 2. Indicates whether or not an SMI was caused by the expiration of Gen-
eral Purpose Timer 2 (F0 Index 8Ah).
0: No.
1: Yes.
To enable SMI generation, set F0 Index 83h[1] = 1.
SMI Source is Expired General Purpose Timer 1. Indicates whether or not an SMI was caused by the expiration of Gen-
eral Purpose Timer 1 (F0 Index 88h).
0: No.
1: Yes.
To enable SMI generation, set F0 Index 83h[0] = 1.
—
—
—
—
—
—
Trapped access to ISA Legacy I/O register space set F0 Index 41h[0] = 1.
Trapped access to F1 register space set F0 Index 41h[1] = 1.
Trapped access to F2 register space set F0 Index 41h[2] = 1.
Trapped access to F3 register space set F0 Index 41h[3] = 1.
Trapped access to F4 register space set F0 Index 41h[4] = 1.
Trapped access to F5 register space set F0 Index 41h[5] = 1.
Table 6-33. F1BAR0+I/O Offset: SMI Status Registers (Continued)
Second Level General Traps & Timers Status Register (RC)
32579B
Reset Value: 0000h
241
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